// This is simple email sender by programming mentor
// Usage:
// Install deps: npm i express nodemailer body-parser
// Run: GMAIL=example@google.com PASSWORD=12345 node server.js

const express = require('express');
const nodemailer = require('nodemailer');

const bodyParser = require('body-parser');
const path = require('path');

const GMAIL = process.env.GMAIL;
const PASSWORD = process.env.PASSWORD;

console.log(GMAIL, PASSWORD);

const transporter = nodemailer.createTransport({
    service: 'gmail',
    auth: {
        user: GMAIL,
        pass: PASSWORD
    }
});

const app = express();

app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.resolve(__dirname, 'public')));

app.get('/', function(req, res) {
    res.sendFile(__dirname + '/index.html');
});

app.post('/email/:address', (req, res) => {
    const mailOptions = {
        from: GMAIL,
        to: req.params.address,
        subject: 'New email from form-sender',
        html: JSON.stringify(req.body)
    };
    transporter.sendMail(mailOptions, function(error, info) {
        if (error) {
            console.error(error);
            res.status(500).send('Server error');
        } else {
            console.log('Email sent: ' + info.response);
            res.send(`Adress: ${req.params.address}, Data sent: ${JSON.stringify(req.body)}`);
        }
    });
});

console.log('Server is running on', process.env.PORT || 3000, process.env.IP || '0.0.0.0');

app.listen(process.env.PORT || 3000, process.env.IP || '0.0.0.0' );